Materials Literature
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The High-Z material tungsten (W) has been considered as a plasma facing material in the divertor region of ITER (International Thermonuclear Experimental Reactor). In ITER, the divertor is expected to operate under high particle fluxes (>10 23 m -2 s -1 ) from the plasma as well as from intrinsic impurities with a ver…
The effect of rubber content of poly (acrylonitrile butadiene styrene) (ABS) on compatibility and properties of polycarbonate (PC)/ABS blend systems has been investigated. The rheological, mechanical, physical, and thermal properties of PC/ABS blend systems containing ABS of different rubber content were studied. The…
Biofilms are made of biopolymers. In the casting technique, biofilms are obtained by the drying of a polymer suspension in the final stage of processing. The aim of the present paper was to analyze the effect of this drying process on the mechanical properties of films produced with amaranth flour. Variables considere…
Four homologous series of non‐symmetric linear liquid crystalline trimers, the 4‐[(4‐{n‐[4‐(4‐methoxy‐phenylazo)phenoxy]alkyloxy}benzylidene)amino]benzoic acid 6‐[4‐(4‐methoxyphenylazo)phenoxy]hexyl esters, 4‐[(4‐{n‐[4‐(4‐cyanophenylazo)phenoxy]alkyloxy}benzylidene)amino]benzoic acid 6‐[4‐(4‐methoxyphenylazo)phenoxy]h…
[structure: see text] We report the synthesis and characterization of a novel supramolecular assembly that features long-range electronic coupling between porphyrins covalently attached to a designed peptide scaffold. The resulting construct self-assembles to form extended organized aggregates in which the porphyrins…
Abstract Surface‐enhanced Raman scattering (SERS) spectroscopy excited with a UV laser was successfully developed and the UV–SER spectra of various adsorbates, including pyridine and SCN − , on different transition metal electrodes were obtained. The experimental requirements for obtaining UV–SERS in an electrochemica…
Abstract Cryomilling has emerged in recent years as an effective approach to process large amounts of nanostructured Al alloys. In the present review, progress in our understanding of the microstructural characteristics and deformation behavior of nanostructured Al alloys processed via consolidation of cryomilled nano…
Abstract To explore the breakdown of ensemble averaging as the single molecule regime is approached, spatial mapping of surface‐enhanced resonance Raman scattering (SERRS) intensities was employed in the study of mixed dye–fatty acid Langmuir–Blodgett (LB) monolayers deposited on nanostructured Ag island films. By var…
This paper employs continuum principles combined with van der Waals theory to estimate the thermal contact resistance between nanowires and planar substrates. This resistance is modeled using elastic deformation theory and thermal resistance relations. The contact force between a nanowire and substrate is obtained thr…
Au/zeolite catalysts prepared with a deposition-precipitation method were characterized with quick XAFS (QXAFS) in combination with IR. The data were correlated with the catalytic performance in the CO-O(2) reaction conducted at 273 K. On the basis of the XANES analysis of Au loaded on H-Y, the deposited Au(2)O(3) was…
An investigation on the use of chitosan for the removal of copper from aqueous solutions has been carried out. Both kinetic data and equilibrium isotherms were obtained. The effects of contact time, initial copper concentration, background electrolyte, and pH on the uptake capacity of copper were studied. Initial copp…
Nearly all electrostatic dissipating yarns or fabrics are fabricated from a man-made carbon conducting core surrounded by a sheath of polyester or nylon, electroplated staple fiber, fabric or stainless steel staple fiber. Few electrostatic dissipating materials are spun from continuous, well conducting metal wires. Th…
Abstract Nanoporous silica spherical particles with narrow particle size distributions (standard deviation: 0.03–0.22) were synthesized by the Stöber method combined with supramolecular templating approach using tetraethoxysilane and cetyltrimethylammonium chloride. The reaction was conducted at 276 K to observe parti…
Over the last several years, a class of materials known as skutterudites has shown substantial promise for potential thermoelectric applications. Specifically, Yb-filled skutterudites have shown high values for the thermoelectric figure of merit. For this work, a series of Yb-filled Ge-compensated skutterudites was sy…
Abstract SnO 2 –Fe 2 O 3 nanopowders prepared by the polymeric precursor method were studied by combined conventional and high‐resolution techniques. The powders treated at 500 °C were analyzed by EDS local probe associated with HRTEM to directly detect surface segregation of Fe ions onto SnO 2 nanoparticles over a br…
Abstract Surface‐enhanced Raman spectroscopy (SERS) spectra have been obtained for different species (CO, CN − , ethylene and oxalic acid) adsorbed on nanostructured electrodes prepared by deposition of Pt, Pd, Rh and Pd:Pt nanoparticles on either gold or platinum electrodes. These examples not only refer to stable ad…
Abstract Pyridine as a typical model molecule has been most extensively studied by SERS for three decades. However, there has not been a satisfactory explanation for the dramatic change of the relative intensity of the two main bands assigned to the total symmetric modes at 1008 and 1035 cm −1 when pyridine was adsorb…
Reliability of interconnect via is increasing an important issue in submicron technology. Electromigration experiments are performed on line/via structures in two level Cu dual damascene interconnection system and it is found that wide line/via fails earlier than the narrow line/via. Atomic flux divergence based finit…
During free surface moulding processes such as thermoforming and blow moulding, heated polymer materials are subjected to rapid biaxial deformation as they are drawn into the shape of a mould. In the development of process simulations, it is therefore essential to be able to accurately measure and model this behaviour…
A giant light-harvesting antenna-acceptor composite was constructed by heterodimerization of imidazolylmanganese(III)porphyrin to molecular terminals of the zinc porphyrin array composed of meso-meso linked bis(imidazolylzincporphyrin). Fluorescence quenching titration indicated that the terminal imidazolylmanganase(I…